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API ReferenceCrypto Market Data

Status

Coin price history

GET/api/v3/crypto/market/history
Price
2 credits per call
MCP tool
crypto_market_history

Call this when the user asks how a coin's price, market cap or volume moved over a year, five years or its whole life: one row per day. Fields and units: rows[].date (UTC day) and t_ms (ms epoch, 00:00 UTC); close, market_cap and volume_24h in vs_currency. Each row's close is the price at 00:00 UTC, i.e. the previous day's close; the last row is the latest price.

Parameters

Query

symbolstringOptional

Coin ticker symbol, e.g. BTC. When several coins share a symbol the one with the best market-cap rank is used; symbol_resolution names it and the other candidates. Give symbol or id. Send exactly one of symbol or id: the call is refused without it.

idstringOptional

Exact coin id, e.g. bitcoin (as returned in id). Give symbol or id. Send exactly one of symbol or id: the call is refused without it.

daysstringOptional

How far back: 365 (1 year), 1825 (5 years) or max (since listing).

One of3651825max
Default365
intervalstringOptional

Row interval. daily only.

One ofdaily
Defaultdaily
vs_currencystringOptional

Currency every price, market cap and volume is quoted in (usd, eur, btc, eth, ...). Default usd.

Defaultusd
asset_classstringOptional

Optional; these tools only serve crypto (crypto).

One ofcrypto

Response

A 200 is a JSON envelope: ok: true and this endpoint's own fields (see Crypto). It carries X-Request-ID, the credit headers (X-Credits-Cost, X-Credits-Remaining, X-Credits-Receipt, X-Credits-Settlement) and the rate-limit headers.

A 200 is billed even when it holds no data (an empty list, null, found: false), so check those fields. Pricing & credits explains the credit headers.

Errors

No error is billed. The body is { "ok": false, "error", "detail", "request_id" }; read the code from error.

ErrorMeaning
400 invalid_tickerThe request is malformed, for example a ticker that is not a symbol: invalid_ticker, refused before any credit is reserved, with param naming the parameter. Not billed.
401 unauthorizedMissing or invalid API key.
402 plan_requiredYour plan does not include this tool, you are out of credits, or your workspace's spend cap paused its keys. plan_required names the plan that unlocks the tool; usage_exceeded means the credit balance is spent; spend_cap_reached means the key is paused until the cap resets or is raised: detail names the cap and the reset, cap_usd and resets_at (ISO 8601) carry them, and doc_url links pricing and credits. Not billed.
403 scope_deniedThis API key is limited to some products and this tool is not one of them. product names the tool's product and scopes the key's products. An upgrade does not change it: use a key whose scopes include the product, or change this key's scopes. Not billed.
404 not_foundNo such resource. Not billed.
422 validationA parameter is missing, out of range or the wrong type; param names it. Not billed.
429 rate_limitedYour plan's rate limit is spent for this window. Retry after Retry-After seconds. Not billed.
503 paid_data_unavailableThe data could not be served completely right now; retry later. Not billed.
504 request_timeoutThe request ran past the server's time budget; retry. Not billed.

This table lists what the spec declares for this route. Error responses lists every code FIRM sends, with when to retry.

Guides

Read the Crypto guide for this endpoint's fields and examples.